diff -Nur RT61_Linux_STA_Drv1.1.0.0.old/Module/rtmp_main.c RT61_Linux_STA_Drv1.1.0.0/Module/rtmp_main.c
--- RT61_Linux_STA_Drv1.1.0.0.old/Module/rtmp_main.c	2006-11-22 03:19:57.000000000 +0100
+++ RT61_Linux_STA_Drv1.1.0.0/Module/rtmp_main.c	2006-11-30 14:45:33.000000000 +0100
@@ -194,10 +194,13 @@
     net_dev->get_stats = RT61_get_ether_stats;
 
 #if WIRELESS_EXT >= 12
-    net_dev->get_wireless_stats = RT61_get_wireless_stats;
     net_dev->wireless_handlers = (struct iw_handler_def *) &rt61_iw_handler_def;
 #endif
 
+#if WIRELESS_EXT >= 12 && WIRELESS_EXT < 21
+    net_dev->get_wireless_stats = RT61_get_wireless_stats;
+#endif
+
     net_dev->set_multicast_list = RT61_set_rx_mode;
     net_dev->do_ioctl = RT61_ioctl;